WO2015018530A3 - Noise-reduced sound absorber for an air-processing system - Google Patents

Noise-reduced sound absorber for an air-processing system Download PDF

Info

Publication number
WO2015018530A3
WO2015018530A3 PCT/EP2014/002186 EP2014002186W WO2015018530A3 WO 2015018530 A3 WO2015018530 A3 WO 2015018530A3 EP 2014002186 W EP2014002186 W EP 2014002186W WO 2015018530 A3 WO2015018530 A3 WO 2015018530A3
Authority
WO
WIPO (PCT)
Prior art keywords
noise
compressed air
processing system
inlet opening
sound absorber
Prior art date
Application number
PCT/EP2014/002186
Other languages
German (de)
French (fr)
Other versions
WO2015018530A2 (en
Inventor
Andreas Ochsenkühn
Rainer Eidenschink
Original Assignee
Knorr-Bremse Systeme für Nutzfahrzeuge GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Knorr-Bremse Systeme für Nutzfahrzeuge GmbH filed Critical Knorr-Bremse Systeme für Nutzfahrzeuge GmbH
Publication of WO2015018530A2 publication Critical patent/WO2015018530A2/en
Publication of WO2015018530A3 publication Critical patent/WO2015018530A3/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
    • B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
    • B60T17/002—Air treatment devices
    • B60T17/008—Silencer devices
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/172—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using resonance effects

Landscapes

  • Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Duct Arrangements (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Exhaust Silencers (AREA)

Abstract

The invention relates to a sound absorber for absorbing the outflow noise of compressed air flowing out of an air-processing system, comprising an inlet opening (4) for the inflow of compressed air, which inlet opening is arranged on an end face of a pot-shaped housing (1) and which compressed air flows out of at least one outlet opening (6) to the atmosphere in a noise-reduced manner via noise-absorbing means housed in an expansion chamber (5) of the housing (1), wherein the noise-absorbing means have a pot-shaped inlet area (7), which is arranged on the inlet opening (4) and which has an impact bottom (8) that is curved outwardly in a flow-optimized manner, which impact bottom has at least one central passage (9) in the vertex area of the curvature in order to conduct a small part of the inflowing compressed air directly into the expansion chamber (5).
PCT/EP2014/002186 2013-08-09 2014-08-08 Noise-reduced sound absorber for an air-processing system WO2015018530A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102013013281.9A DE102013013281A1 (en) 2013-08-09 2013-08-09 Noise-reduced silencer for an air treatment plant
DE102013013281.9 2013-08-09

Publications (2)

Publication Number Publication Date
WO2015018530A2 WO2015018530A2 (en) 2015-02-12
WO2015018530A3 true WO2015018530A3 (en) 2015-07-30

Family

ID=51300697

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2014/002186 WO2015018530A2 (en) 2013-08-09 2014-08-08 Noise-reduced sound absorber for an air-processing system

Country Status (2)

Country Link
DE (1) DE102013013281A1 (en)
WO (1) WO2015018530A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015111515A1 (en) * 2015-07-16 2017-01-19 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Silencer system
DE102017122215A1 (en) 2017-09-26 2019-03-28 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Silencer for compressed air systems and a method for its production
DE102019101556A1 (en) * 2019-01-23 2020-07-23 Wabco Gmbh Vent cap on a solenoid valve in compressed air systems, for example for vehicles

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015383A1 (en) * 1979-08-16 1981-10-29 Robert Bosch Gmbh, 7000 Stuttgart SILENCER
DE3901335A1 (en) * 1989-01-18 1990-07-19 Knorr Bremse Ag MUFFLER
DE4040278A1 (en) * 1990-12-17 1992-06-25 Bosch Gmbh Robert Vehicle brake pressurised air valve - has flow cone for air streaming and noise damper downstream of valve
DE4237630A1 (en) * 1992-11-05 1994-05-11 Wabco Westinghouse Fahrzeug Compressed air ventilation device
DE202007006627U1 (en) * 2007-05-09 2007-07-19 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Sound absorber for pneumatic device of vehicle, has housing arranged between inlet opening and outlet opening, and layer of fibrous material arranged between cartridge and pot casing

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3015383A1 (en) * 1979-08-16 1981-10-29 Robert Bosch Gmbh, 7000 Stuttgart SILENCER
DE3901335A1 (en) * 1989-01-18 1990-07-19 Knorr Bremse Ag MUFFLER
DE4040278A1 (en) * 1990-12-17 1992-06-25 Bosch Gmbh Robert Vehicle brake pressurised air valve - has flow cone for air streaming and noise damper downstream of valve
DE4237630A1 (en) * 1992-11-05 1994-05-11 Wabco Westinghouse Fahrzeug Compressed air ventilation device
DE202007006627U1 (en) * 2007-05-09 2007-07-19 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Sound absorber for pneumatic device of vehicle, has housing arranged between inlet opening and outlet opening, and layer of fibrous material arranged between cartridge and pot casing

Also Published As

Publication number Publication date
DE102013013281A1 (en) 2015-02-12
WO2015018530A2 (en) 2015-02-12

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